My response to the OP question, “are we better off dropping denominations?” I answer with this imperfect analogy. If I go to a restaurant I’d want to know if I am walking into a McDonalds or a Kentucky Fried. It saves me time if they have a sign outside.
It seems to me that unifiliated or “community” churches often have denominational ties the church is trying to minimize in order to “reach” the broader community. Therefore, before going to a church which is only identified as a “community” church I’d check out their website.
IMHO it seems to me that unaffiliated churches often are de facto denominational churches by virtue of their unofficial association with a larger organization (something like the Gospel Coallition) and adhere to that organizations statement of faith. Or there are churches claiming to be nondenominational that operate like a denomination (such as the Plymouth Brethren). If it has webbed feet, feathers and quacks its a duck
Check out and do a search of Dr. Olson’s blog (http://www.patheos.com/blogs/rogereolson/) he has done lots of writing about this subject. In fact his post of today’s date looks interesting; who is really a fundamentalist and how the media gets it wrong